Saturday, December 26, 2020

Tradescantia boliviana

Updated: Sept. 22 2021
Tradescantia boliviana: the spectacular inflorescence (credits of the photo to Stefan Neuwirth),
and a rooted cutting.

Family: Commelinaceae
Accepted nameTradescantia boliviana[1, 2, 3]
BasionymMandonia boliviana[1, 2, 3]
SynonymsMandonia bolivianaSkofitzia bolivianaTradescantia ambigua var. pilosula[1, 4]
Heterotypic synonymTradescantia ambigua var. pilosula[1]
Homotypic synonymSkofitzia boliviana[1]
Leaf-texture: pilosulus (somewhat fuzzy)

The Tradescantia boliviana is a relatively recently discovered botanical species in the Commelinaceae family, native to Argentina, Bolivia, Brazil, Paraguay and Peru. It was firstly described in 2004 (Jason R. Grant) as a new species, with distinctively different characteristics than the Tradescantia ambigua[2, 3].

Description
The small narrow and pilosulus (somewhat fuzzy) leaves have a thin orange border and are slightly jagged at the edge of the leaf. The edge of the leaves is also recurvifolius (having a wavy form; see last image for more) and the arrangement of the leaves is alternate, one leaf per node and at an angle approx 90°.

It’s a summer growing perennial, which needs strictly and completely a dry winter dormancy. It needs full sun to remain upright and then masses of medium sized fuchsia triangular flowers appear along the shoots, very attractive.


Photographic material

Summer growth and colors.

Summer growth and colors.

Summer growth and colors. This plant has thick tuberous roots


Tradescantia boliviana: winter growth. The small narrow leaves are slightly fuzzy
with an orange border on the edge of the leaf, when exposed in bright light.

Tradescantia boliviana: winter growth. Small narrow fuzzy leaves with thin purple stems.


Winter growth.


Some tips on identification: The edge of the leaves is jagged and also recurvifolius (having a wavy form [1]).
And the arrangement of the leaves is alternate, one leaf per node and at an angle approx 90° [2].






References
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Friday, December 25, 2020

Tradescantia hirta


Tradescantia hirta

hirtus, -a, -um refers to the hairiness of the plant.

Just like every other Tradescantia, they are easy to get them to root
in water, in sphagnum moss, or directly into the soil.


Tradescantia hirta is a botanical species from NE Mexico, in the family Commelinaceae. Its characteristic are the thin stems covered with hairs. And also, it's a rarely seen Tradescantia species that forms tear-drop bulbs that sit on top of the soil, in clusters.
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Thursday, December 24, 2020

Tradescantia buckleyi

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Tradescantia buckleyi: in bloom, at her winter colors.

Here she is with her natural greyish colors (exposed in bright light during summertime).
When exposed in lower light (during winter) the foliage turns green,
but when exposed again in bright light her natural greyish colors appear again.


Tradescantia buckleyi is a botanical species (natural variety) in the Commelinaceae family.



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Tuesday, December 15, 2020

Tradescantia zebrina var. tikal


Tradescantia zebrina var. tikal : a naturally occuring variety near Tikal, Mexico
Tradescantia zebrina var. tikal: the rarest and
the most beautiful zebrina, is making it difficult for us.


updated: 10 August 2021
The Tradescantia zebrina var. tikal is a naturally occuring variety near Tikal, Mexico. It resembles somewhat to the mollipila but the leaves are larger, less round, mostly in arrow-shape, with vivid purple stripes on both sides of the leaf.

Is this yet another infraspecific?

Since this is a naturally occurring plant with such distinct pattern, it seems so. It's just that the plants in the genus Tradescantia are proliferating and the botanists can't catch up with their classification. At the time of writing, there are three accepted infraspecifics in the zebrina genus at the POWO website:
  • Tradescantia zebrina var. flocculosa (G.Brückn.) D.R.Hunt
  • Tradescantia zebrina var. mollipila D.R.Hunt
  • Tradescantia zebrina var. zebrina
Tradescantia zebrina accepted infraspecifics

Therefore, I believe what we have here is a pending classification.
By the way, I have seen this plant written with single (or even double) quotes, but the single quotes are indicating a cultivar, not a naturally occurring variety.



This naturally occurring zebrina variety was rescued from its natural habitat in Mexico, but unfortunately it carries a kind of bacterial infection. This infection is a rare case, since it is mostly active during winter but with the warmer summer temperatures the plant seems to be doing fine. This is quite the opposite from what we see in most of the bacterial infections, which are most active during warmer temperatures, just the opposite from what we have here. This infection doesn't seem to be contagious, it's just that during low temperatures the plant loses its colors and it grows slower (mostly green) with a few (the typical zebrina) stripes here and there with a broken pattern. When exposed again to the higher temperatures in summer, it appears to grow normal again. At the moment, everyone that has a Tradescantia zebrina var. tikal in their collection, has the same infected clone. Experienced Commelinaceae collectors have not managed to determine (and reverse) the course of that viral infection. TS (Tissue Culture) might be an option to try and clear this natural variety from that viral - yet harmless - infection. The best solution however - if it is possible - would be to start all over with a freshly new specimen - pathogen free - from another location.


This is how the plant looks in the growing season, seemingly healthy.


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Sunday, December 6, 2020

Tradescantia fluminensis vs Tradescantia mundula


I have noticed that - at least in the Netherlands and perhaps elsewhere - the Tradescantia mundula is labeled and sold as Tradescantia fluminensis. Especially in the Netherlands, there's a great confusion with the illegitimate cultivar name 'Green Hill'. That cultivar name has been created and widely circulated from a Dutch nursery. At first they labeled the plants they sale as Tradescantia fluminensis 'Green Hill' and then they changed it to: Tradescantia 'Green Hill'. This plant however is the Tradescantia mundula which is a botanical species (not a cultivar) and it was first described by Kunth in 1843.

Tradescantia mundula is a botanical species that was described in 1843
Source: IPNI: Tradescantia mundula

Tradescantia 'Green Hill' → Tradescantia mundula

Watch the video below to find their differences:

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Saturday, November 7, 2020

Tradescantia spathacea : varieties, cultivars, hybrids

Tradescantia spathacea 'Aureostriata': with golden (yellow) stripes.



In this article you will read my current personal understanding after collecting and studying Commelinaceae plants since 2010. I thought that with my amateur knowledge about botanical latin I can contribute something more into the existing knowledge of this rapidly growing and expanding family of plants: Commelinaceae, which includes plants that many of them grow as weeds and they are plants that easily cross bred with each other without human intervention.
This article is about the Tradescantia spathacea varieties, cultivars and hybrids. There will be more coming soon for other Tradescantia plants and other plants in the Commelinaceae family.


created: Nov. 7, 2020
updated: Aug.. 24, 2021
⚠️Important notes
1a) variety/var. (varietas in Latin): Most Commelinaceae plants are easily crossed to each other and from that crossing new varieties may appear. According to the International botanical nomenclature, a naturally occuring variety is denoted with the denomination var. whilst the taxon name is written with the first letter of the genus capitalized and the rest with small letters. Plus it is written in italics except the var. denomination. Example: Tradescantia zebrina var. flocculosa.

1b) form/f. (forma in Latin): In botanical nomenclature, a form (forma, plural formae) is one of the "secondary" taxonomic ranks, below that of variety, which in turn is below that of species; it is an infraspecific taxon[1]. Variety differs from form/forma in that a variety implies predictable inheritable traits where form/forma traits occur sporadically within a population.

1c) cv./cultivar: a cultivar (or cv. or horticultural variety) is a cultivated variety that originated after human intervention. The names of cultivars are quoted using single quotes '. . .' and the first letter of each name is capitalized. Example: Murdannia ‘Bright Star’. Murdannia ‘Bright Star’ is a horticultural cultivar with unique characteristics that can only be found combined in that specific cultivar. In the past the denomination cv. used to be included in the name ie: Murdannia cv. ‘Bright Star’ but that is currently not accepted. See also the article about the disambiguation of this taxon.

1d) hybrid: hybrid plants are usually sterile and propagated only through cuttings or tissue culture (TC), not by seed. An example of this might be the Tradescantia ‘Bermudensis’ (also known as Tradescantia 'Hawaiian Dwarf') which is a dwarf cultivar originating from the Tradescantia spathacea plant. After many decades since this plant was circulated all over the world there were nowhere flowers to be seen. Only recently have appeared on the internet, three-four images with flowers. Which makes me think that there might exist more than one variegated Tradescantia spathacea plants with white variegation (reminding also the Tradescantia spathacea 'Sitara' which also has white variegation, but it doesn't stay small). Since flowering photos were never released before, it might be the case that the Tradescantia ‘Bermudensis’ is actually a hybrid (remember: a hybrid is sterile, which only can be propagated through cuttings and TC). One plant - in this case Tradescantia spathacea - may have more than one variegated varieties, such as the case with Callisia fragrans ‘Infinity’ and Callisia fragrans ‘Melnikoff’, two seemingly similar cultivars, but they are in fact different.

2) Color changing: Most plants in the Commelinaceae family do change color according to various factors such as: season, temperature, light, location. Thus, two seemingly identical cuttings/plants may come from different cultivars, that have been grown in different conditions and/or kept in different locations (that relates to light levels). An example of this are the T. zebrina ‘Burgundy’ and T. zebrina ‘Deep Purple’. When kept in bright light their colors will be that of each equivalent cultivar (burgundy color for the first and dark purple [almost black] for the second). But when these plants are kept in a location with less bright light their colors tend to look similar and sometimes may even confuse the experts. So keep always that in mind. That is why it’s important to buy from experienced sellers that have both cultivars and have labeled them correctly, in order to avoid confusion.

3) Old names still in use: old synonyms of both genus and species (some of them even from the 19th century) are unfortunately still in use today, bringing more confusion on these matters. These include and are not limited to: pendula, setcreasea, rhoeo.

4) N/A (where applicable) means that I didn’t have a personal experience with the specific plant variety/cultivar/hybrid.

Setcreasea: a genus synonym for Tradescantia, from the 19th century, still in use today.



Tradescantia spathacea - table listing the different names of varieties, cultivars, hybrids

Tradescantia spathacea  This is the regular plant. The regular T. spathacea is a plant that gets big, about 40cm and perhaps even taller, with large sword-like leaves. Sometimes its - very old - synonym Rhoeo discolor is still used today among hobbyists and in the horticultural industry.
Tradescantia spathacea var. nana This is the dwarf variety of the Tradescantia spathacea.
Tradescantia spathacea f. concolor This is a mainly green Tradescantia spathacea with large leaves.
Tradescantia spathacea 'Albovariegata'

Tradescantia spathacea 'Sitara'
It is known as Tradescantia spathacea 'Tricolor', or Tradescantia spathacea 'Sitara', but I don't believe that, that is a cultivar created by humans. I believe is a naturally occuring variety with white variegation, which appeared in the horticultural industry. Etym.: albo (latin for white) + variegata (variegated plant).
Tradescantia spathacea var. nana 'Albovariegata’ It is known as Tradescantia spathacea 'Hawaiian Dwarf', Tradescantia bermudensis 'Variegata' and Tradescantia spathacea 'Sitara'. But there are some mistakes with these names. Firstly, the taxon bermudensis is written in a way as to indicate that it is a botanical species, but there's no such botanical species with that taxon name. Secondly, the T. spathacea 'Sitara' grows larger and there have been circulated 3-4 photos with flowers, therefore I believe there are two white-variegated Tradescantia spathacea varieties. Those that I have mentioned here: One regular size plant that produces flowers and one dwarf sterile (hybrid).
Tradescantia spathacea 'Aureostriata'

This is the yellow (golden) variegated form of the Tradescantia spathacea. It was mistakenly circulated as Tradescantia spathacea 'Vittata' and Rhoeo spathacea variegata 'Vittata' but firstly: The term vittatus is used mainly in zoology, the equivalent in botany is striatus. Secondly: the genus Rhoeo is a very old synonym of the accepted genus Tradescantia. Aureostriata etym.: aureus (latin for golden) + striata (latin for striped [variegation]).

Tradescantia spathacea 'Cream'

This is a new variegated spathacea (Summer of '21) with pastel colors (cream/pink). Her colors resemble those of a different species in the Commelinaceae family, the Tradescantia zebrina 'Danny Lee'.

Tradescantia spathacea var. nana ‘Sitara Gold’

Tradescantia spathacea var. nana ‘Sitake's Gold’
This is the yellow (golden) variegated form of the Tradescantia spathacea var. nana. It's a dwarf (nana) and sterile plant (it does not produce flowers), thus it's a hybrid.
Tradescantia spathacea var. nana ‘Sitara Gold’

Tradescantia spathacea var. nana ‘Sitake's Gold’
This is the yellow (golden) variegated form of the Tradescantia spathacea var. nana. It's a dwarf (nana) and sterile plant (it does not produce flowers), thus it's a hybrid.
This article will be updated whenever more information is available.


Tradescantia spathacea and some other variegated varieties/cultivars/hybrids

1. Tradescantia spathacea 2. Tradescantia spathacea var. nana 'Albovariegata' 3. Tradescantia spathacea var. nana 'Sitara Gold' 4. Tradescantia spathacea 'Aureostriata'.

Tradescantia spathacea f. concolor
a green spathacea with large leaves.


Tradescantia spathacea dried flower bracts with seeds


A historic photo from 1957, showing the true size of the - then known as Rhoeo discolor - Tradescantia spathacea.








References:
1. McNeill, J.; Barrie, F.R.; Buck, W.R.; Demoulin, V.; Greuter, W.; Hawksworth, D.L.; Herendeen, P.S.; Knapp, S.; Marhold, K.; Prado, J.; Prud'homme Van Reine, W.F.; Smith, G.F.; Wiersema, J.H.; Turland, N.J. (2012). International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011. Regnum Vegetabile 154. A.R.G. Gantner Verlag KG. ISBN 978-3-87429-425-6. Chapter I. Article 4


labels: tradescantia spathacea varieties, cultivars, hybrids, mapping tradescantia zebrina

Friday, October 30, 2020

Tradescantia zebrina : varieties, cultivars, hybrids

Tradescantia zebrina var. purpusii: the true purpusii does not have stripes,
like the rest of the zebrinas'.



In this article you will read my current personal understanding after collecting and studying Commelinaceae plants since 2010. This is an effort all zebrina cultivars and their synonymous cultivar names to be listed in one page, for easy reference. I thought that with my amateur to intermediate knowledge about botanical latin I can contribute something more into the existing knowledge of this rapidly growing and expanding family of plants: Commelinaceae, which includes plants that many of them grow as weeds and they easily cross breed with each other.
This article is about the Tradescantia zebrina varieties, cultivars and hybrids. There will be more coming soon for other Tradescantia plants and other plants in the Commelinaceae family.


created: Oct. 30, 2020
updated: Mar. 9, 2022

Notes & Terminology

1a) variety/var. (varietas in Latin): Most Commelinaceae plants are easily crossed to each other and from that crossing new varieties may appear. According to the International botanical nomenclature, a naturally occuring variety is denoted with the denomination var. whilst the taxon name is written with the first letter of the genus capitalized and the rest with small letters. Plus it is written in italics except the var. denomination. Example: Tradescantia zebrina var. flocculosa.

1b) form/f. (forma in Latin): In botanical nomenclature, a form (forma, plural formae) is one of the "secondary" taxonomic ranks, below that of variety, which in turn is below that of species; it is an infraspecific taxon[1]. Variety differs from form/forma in that a variety implies predictable inheritable traits where form/forma traits occur sporadically within a population.

1c) cv./cultivar: a cultivar (or cv. or horticultural variety) is a cultivated variety that originated after human intervention. The names of cultivars are quoted using single quotes '. . .' and the first letter of each name is capitalized. Example: Murdannia ‘Bright Star’. Murdannia ‘Bright Star’ is a horticultural cultivar with unique characteristics that can only be found combined in that specific cultivar. In the past the denomination cv. used to be included in the name ie: Murdannia cv. ‘Bright Star’ but that is currently not accepted. See also the article about the disambiguation of this taxon.

1d) hybrid: hybrid plants are usually sterile and propagated only through cuttings or tissue culture (TC), not by seed. An example of this might be the Tradescantia ‘Bermudensis’ (also known as Tradescantia 'Hawaiian Dwarf') which is a dwarf cultivar originating from the Tradescantia spathacea plant. After many decades since this plant was circulated all over the world there were nowhere flowers to be seen. Only recently have appeared on the internet, three-four images with flowers. Which makes me think that there might exist more than one variegated Tradescantia spathacea plants with white variegation (reminding also the Tradescantia spathacea 'Sitara' which also has white variegation, but it doesn't stay small). Since flowering photos were never released before, it might be the case that the Tradescantia ‘Bermudensis’ is actually a hybrid (remember: a hybrid is sterile, which only can be propagated through cuttings and TC). One plant - in this case Tradescantia spathacea - may have more than one variegated varieties, such as the case with Callisia fragrans ‘Infinity’ and Callisia fragrans ‘Melnikoff’, two seemingly similar cultivars, but they are in fact different.

2) Color changing: Most plants in the Commelinaceae family do change color according to various factors such as: season, temperature, light, location. Thus, two seemingly identical cuttings/plants may come from different cultivars, that have been grown in different conditions and/or kept in different locations (that relates to light levels). An example of this are the T. zebrina ‘Burgundy’ and T. zebrina ‘Deep Purple’. When kept in bright light their colors will be that of each equivalent cultivar (burgundy color for the first and dark purple [almost black] for the second). But when these plants are kept in a location with less bright light their colors tend to look similar and sometimes may even confuse the experts. So keep always that in mind. That is why it’s important to buy from experienced sellers that have both cultivars and have labeled them correctly, in order to avoid confusion.

3) Old names still in use: old synonyms of both genus and species (some of them even from the 19th century) are unfortunately still in use today, bringing more confusion on these matters. Some of them are: pendula, setcreasea, rhoeo. You can find all the synonyms of all the genera in the Commelinaceae family in the page: Commelinaceae Genera and their Genders.

4) N/A: placed at the end of the description means that I didn’t have a personal experience with the specific plant variety/cultivar/hybrid.




Tradescantia zebrina - table listing the different names of varieties, cultivars, hybrids

Tradescantia pendula ‘Purple Milano’ T. pendula is a synonym for T. zebrina var. zebrina. The (vivid) colors are fading from green to purple on each leaf. (N/A).
T. zebrina (thick-leaf; unnamed) This zebrina has very thick leaves. (N/A).
T. zebrina ‘Blue Boy’
photo credits: Madelyn Maddox Purcell
Probably another name for 'Red Gem'/'Giant'. (N/A).
T. zebrina ‘Burgundy’
A zebrina with burgundy/vivid magenta leaves (depending on the light and temperature). It's a widely colorful variety, changing from deep burgundy to vivid magenta according to light, season, temperatures. It resembles a lot 'Red Gem' but the colors of that cannot turn vivid magenta (like those of the 'Burgundy' when exposed to morning sunlight).
T. zebrina var. zebrina variegata 'Danny Lee'
This is a new variegated zebrina cultivar. The colors resemble those of the T. zebrina var. discolor 'Multicolor' but they are more pastel and less variable. Specific unique features of this variegated Tradescantia zebrina are hairy leaves & tubercles (tiny bumps on the surface of the leaves) that it why the name 'Silver Notches' first proposed[2]. But the cultivar name that was established was finally 'Danny Lee'.

The technical name for this variety is Tradescantia zebrina var. zebrina variegata forma III, describing the third known variegated Tradescantia zebrina cultivar.
T. zebrina ‘Dark Desire’ Mostly used in the US; it’s another name for T. zebrina ‘Burgundy’.
Tradescantia zebrina 'Deep Purple'
T. zebrina ‘Deep Purple’
The colors of this cultivar are amazing. It has dark magenta stripes on dark - almost black - purple. When this and 'Red Gem' are sun-stressed they look somehow similar to each other, but the colors of  'Red Gem' are much less intense. There were appeared cultivars that look similar ('Red Jewel'; 'Jewel Red'; Purple Joy') but they were treated with PGRs and their vivid colors wear off after some weeks.
Tradescantia zebrina 'Evanesce' : new zebrina cultivar
T. zebrina ‘Evanesce’
A new zebrina cultivar: Tradescantia zebrina 'Evanesce'; evanesce: to dissipate like vapor. The purple color fades from the new leaves as they age. A very unique T. zebrina.  It makes stripes similar to the zebrina from Tikal (see below). It has hairy leaves, and it does have notches in its silver stripes, like 'Danny Lee' has, but there are no tubercles on the surface of the leaves[2].
T. zebrina var. discolor

This is a reverted Tradescantia zebrina var. discolor 'Multicolor'. From what I know it's the same with T. zebrina ‘Quicksilver’.

T. zebrina var. discolor 'Multicolor’
or
T. zebrina var. zebrina variegata forma I
This is a multicolored variety with highly variable foliage. This is perhaps the most variable in color zebrina. Many confuse it with the 'Quadricolor' but they have differences. This cultivar doesn't develop those dark purple - almost black - stripes like the 'Quadricolor' does. Also, when this cultivar revertes (when kept in low light) the variegation is gone. Whilst on the 'Quadricolor' it may return, is not lost.

The technical name for this variety is Tradescantia zebrina var. zebrina variegata forma I, describing the first known variegated Tradescantia zebrina cultivar.
T. zebrina ‘Flame Dance’ N/A. This is a discolor variety with random tiny silver flecks on the upper side of the leaves.
T. zebrina ‘Giant’ Synonym for T. zebrina 'Red Gem'; this cultivar name is mostly used in the States[2].
T. zebrina ‘Little Hill’ This zebrina has smaller leaves. Possibly these are plants that were treated with PGRs, as I have heard that after some weeks, the leaves grow normally again, resembling those of the 'Silver Sicilian' cultivar. (N/A).
T. zebrina var. discolor ‘Mme Lequesne’
This is a discolor variety with large wide leaves and a broken pattern on the stripes (hence the discolor characteristic).
T. zebrina ‘Purple Joy’ Unofficial cultivar name for Tradescantia zebrina 'Burgundy' plants that were treated with PGRs. At first they look very similar to the Tradescantia zebrina 'Deep Purple' but when after some weeks the chemicals wear off from the plant, all that deep purple/black color is gone and what is left is a Tradescantia zebrina 'Burgundy'.
T. zebrina ‘Purple Passion’ Yet another name for an already existing zebrina cultivar: Tradescantia zebrina 'Burgundy'.
T. zebrina ‘Purple Tinge’ The colors have a rather salmon-like tinge and they are fading from green to purple on each leaf. The leaves that are on the tip of the stems have that 'Purple Tinge' fading to green further down the stems. (N/A).
T. zebrina ‘Quadricolor’
or
T. zebrina var. zebrina variegata forma II
This is one of the most unique of all T. zebrinas and one of the three variegated ones, with 4 colors (hence the name: quadri (means four) + color. Another unique characteristic of this zebrina - found only among very few variegated plants - is that the variegation is not lost! If a branch reverts back to green, then when this same branch exposed in bright light it will develop again variegation!

The technical name for this variety is Tradescantia zebrina var. zebrina variegata forma II, describing the second known variegated Tradescantia zebrina cultivar.
T. zebrina ‘Quicksilver’ This is a discolor variety. The leaves have tiny silver flecks. From what I know it's the same with T. zebrina ‘Discolor’.
Tradescantia zebrina 'Red Gem'
T. zebrina ‘Red Gem’
The true 'Red Gem' can be easily distinguished from 'Burgundy' when both are kept on a location with adequate light. The stripes of 'Red Gem' are magenta and the rest of the leaf is green. 'Burgundy' has silvery-green stripes and the rest of the leaf is dark burgundy. The leaves of this zebrina are also bigger. When sun-stressed, it looks similar to T. zebrina 'Deep Purple'. Another cultivar name for this one is T. zebrina 'Giant', mostly used in the States.
T. zebrina ‘Red Jewel’ A 'Burgundy' that was treated with PGRs. When the chemicals fade away, the plant grows normally again as a T. zebrina 'Burgundy'.

T. zebrina ‘Silver Notches’
This cultivar name is now used to describe the variegated T. zebrina 'Danny Lee'.
T. zebrina ‘Silver Sicilian’
This zebrina is similar to the 'Silver Plus' but there are differences on the upper structure of the leaf. 'Silver Sicilian' has tubercles towards the base of the leaf, whilst 'Silver Plus' has smooth leaves.
T. zebrina ‘Silver Plus’ This zebrina is similar to the 'Silver Sicilian' but there are differences on the upper structure of the leaf. 'Silver Plus' has smooth structure towards the base of the leaf, lacking the tubercles that 'Silver Sicilian' has. (N/A).
T. zebrina ‘Violet Hill’ Possibly a synonym for 'Silver Plus'. (N/A).
T. zebrina var. flocculosa
This zebrina resembles somewhat to the T. sillamontana with cobweb-like hairs on the leaves, but the flowers are blue/indigo color, whereas the flowers of T. sillamontana are magenta. (N/A).
T. zebrina var. mollipila
A naturally occurring zebrina variety with naturally variegated leaves. On this variety the - typical double zebrina - stripes are light silver/green/gray and there's also a single purple stripe running from the base of the petiole to the tip of the leaf. The magenta margins on each leaf gives to this natural variety an amazing contrast of colors! (N/A).
T. zebrina var. mollipila ‘Purple Plush’
This is a cultivated variety of the T. zebrina var. mollipila, with beautiful burgundy/brown/purple stripes on the upper side of the leaves, something totally missing from the original natural variety. These purple stripes may disappear when the plant is exposed in very intense or in low light, but they will appear again in normal growing conditions.
T. zebrina var. purpusii
The true purpusii does not have stripes like the rest of the zebrinas. The colors of the leaves are brown/red to light magenta (depending on the light, location, season and temperatures). On a location with less bright light the colors may turn greener, starting from the center of the leaf. But when exposed to normal light conditions, the natural colors of this variety will return. There's also the cultivar name 'Purpusii' (Tradescantia zebrina 'Purpusii') but it's actually a discolored zebrina with faint stripes and not the true purpusii.
This is a naturally occuring variety near Tikal, Mexico. It resembles somewhat to the mollipila 'Purple Plush' but the leaves are larger, less round, mostly in arrow-shape, with vivid purple stripes on both sides of the leaf . This natural zebrina variety was rescued from its natural habitat in Mexico, but it carries a kind of bacterial infection. This infection doesn't seem to be contagious, but during low temperatures the plant loses its colors and it grows slower (mostly green) with a few (the typical zebrina) stripes. When exposed again to the higher temperatures in summer, it appears to grow normal again. At the moment, experienced Commelinaceae collectors have not managed to determine (and reverse) the course of that viral infection. TS (Tissue Culture) might be an option to try and clear this natural variety from that viral - yet harmless - infection.
T. zebrina var. zebrina The common wild forma; mainly green foliage with silver/lighter green stripes.
This article will be updated whenever more information is available.

Check also the: Cultivar index / finder page
where all Commelinaceae cultivars will be gathered there.



References:
1. McNeill, J.; Barrie, F.R.; Buck, W.R.; Demoulin, V.; Greuter, W.; Hawksworth, D.L.; Herendeen, P.S.; Knapp, S.; Marhold, K.; Prado, J.; Prud'homme Van Reine, W.F.; Smith, G.F.; Wiersema, J.H.; Turland, N.J. (2012). International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011. Regnum Vegetabile 154. A.R.G. Gantner Verlag KG. ISBN 978-3-87429-425-6. Chapter I. Article 4
2. communication with Commelinaceae expert and collector Erica Jane.
labels: tradescantia zebrina varieties, cultivars, hybrids, mapping tradescantia zebrina